Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Catalog No. 04-53581025-01 Printed in U.S.A. Form II581K-F-4-6-01 Rev. A Pg 1 8-21 Replaces: New
Installation Instructions
CONTENTS
Page
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 2
Model Number Nomenclature and Dimensions . . . . . . . . . 3
Rated Indoor Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Jobsite Survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Step 1 — Plan for Unit Location . . . . . . . . . . . . . . . . . . . . . 8
• ROOF MOUNT
Step 2 — Plan for Sequence of Unit Installation . . . . . . . . 8
• CURB-MOUNTED INSTALLATION
• PAD-MOUNTED INSTALLATION
• FRAME-MOUNTED INSTALLATION
Step 3 — Inspect Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Step 4 — Provide Unit Support . . . . . . . . . . . . . . . . . . . . . . 8
• ROOF CURB MOUNT
• SLAB MOUNT (HORIZONTAL UNITS ONLY)
• ALTERNATE UNIT SUPPORT (IN LIEU OF CURB OR
SLAB MOUNT)
Step 5 — Field Fabricate Ductwork . . . . . . . . . . . . . . . . . 10
Step 6 — Rig and Place Unit . . . . . . . . . . . . . . . . . . . . . . . 10
• POSITIONING ON CURB
Step 7 — Convert to Horizontal and Connect Ductwork
(When Required) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Step 8 — Install Outside Air Hood . . . . . . . . . . . . . . . . . . 12
• ECONOMIZER HOOD PACKAGE REMOVAL AND
SETUP (FACTORY OPTION)
• ECONOMIZER HOOD
Step 9 — Units with Hinged Panels Only . . . . . . . . . . . . . 13
Step 10 — Install Flue Hood . . . . . . . . . . . . . . . . . . . . . . . 13
Step 11 — Install Gas Piping . . . . . . . . . . . . . . . . . . . . . . . 13
• FACTORY OPTION THRU-BASE CONNECTIONS
(GAS CONNECTIONS)
Step 12 — Install External Condensate Trap and Line . 16
Step 13 — Make Electrical Connections . . . . . . . . . . . . . 17
• FIELD POWER SUPPLY
• UNITS WITH FACTORY-INSTALLED NON-FUSED
DISCONNECT
• UNITS WITHOUT FACTORY-INSTALLED
NON-FUSED DISCONNECT
• ALL UNITS
• CONVENIENCE OUTLETS
• FACTORY-OPTION THRU-BASE CONNECTIONS
(ELECTRICAL CONNECTIONS)
• UNITS WITHOUT THRU-BASE CONNECTIONS
(ELECTRICAL CONNECTIONS)
• FIELD CONTROL WIRING
• THERMOSTAT
• HEAT ANTICIPATOR SETTINGS
• PERFECT HUMIDITY™ SYSTEM CONTROL
CONNECTIONS
• TYPICAL UNIT WIRING DIAGRAMS
Integrated Gas Controller . . . . . . . . . . . . . . . . . . . . . . . . . 26
EconoMi$er® X (Factory Option) . . . . . . . . . . . . . . . . . . 29
• SYSTEM COMPONENTS
• SPECIFICATIONS
• INPUTS
• OUTPUTS
• ENVIRONMENTAL
• ECONOMIZER MODULE WIRING DETAILS
• S-BUS SENSOR WIRING
• CO2 SENSOR WIRING
• INTERFACE OVERVIEW
• SETUP AND CONFIGURATION
• TIME-OUT AND SCREENSAVER
• ENTHALPY SETTINGS
• STANDARD OR SINGLE SPEED FAN OPERATION
• 2 SPEED FAN OPERATION
• 2S
P H/C (2 SPEED HEAT/COOL) FAN OPERATION
• 3 SPEED FAN OPERATION (SINGLE PHASE UNITS
ONLY)
• CHECKOUT
• TROUBLESHOOTING
RTU Open Controller (Factory Option) . . . . . . . . . . . . . 41
Controller Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
• LOW AMBIENT
Smoke Detectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Step 14 — Adjust Factory-Installed Options . . . . . . . . . . 43
• SMOKE DETECTORS
• ECONOMI$ER IV OCCUPANCY SWITCH
Step 15 — Install Accessories . . . . . . . . . . . . . . . . . . . . . . 43
Step 16 — Fan Speed Set Up . . . . . . . . . . . . . . . . . . . . . . . 43
• UNITS WITH ELECTRO-MECHANICAL CONTROLS
START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . . . . CL-1
Preferred™ Series 581K*04-06F
Single Package Rooftop
Ultra Low NOx (14 ng/J) Gas Heating/Electric Cooling Unit
with Puron
®
(R-410A) Refrigerant